StadiumStadion Ostrołęka
| Current capacity of the stadium |
| Standing | 19 200 |
| Seats | 12 000 |
| Tribune | 7 200 |
| Seats for sponsors | 200 |
| Fans attended |
| 25. 7. 2026 | Ostrołęka-Zafra | 6 324 |
| 20. 7. 2026 | Ostrołęka-Tłuszcz | 8 908 |
| 16. 7. 2026 | Ostrołęka-SILESIA Katowice | 7 197 |
| 13. 7. 2026 | Ostrołęka-Dębno | 10 269 |
| 9. 7. 2026 | Ostrołęka-Bakonyság | 9 545 |
| 4. 7. 2026 | Ostrołęka-Radzyń podlaski | 7 633 |
| 27. 6. 2026 | Ostrołęka-Łomianki | 7 196 |
| 22. 6. 2026 | Ostrołęka-Krosno odrzań. | 6 181 |
| 18. 6. 2026 | Ostrołęka-Dziwnów | 7 456 |